A.棺材(guān cai) 颠倒(diān dǎo) 裤裆(kù dāng) 绷紧(běng jǐn) |
B.奢侈(shē chǐ) 崎岖(qí qū) 山涧(shān jiàn) 威吓(wēi hè) |
C.晋察冀(jì chá jìn) 冰雹(bīng báo) 金镯(jīn zhuó) 敞开(chǎng kāi) |
D.稀罕(xī hǎn) 筹集(chóu jí) 被俘(bèi fú) 磨盘(mó pán) |
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2